Improved buckle



UNITED STATES PATENT 0EEIcE.

WM. SMITH HALL, OF QUINGY, MASSACHUSETTS.

IMPROVEDBUCKLE.

Specification forming part of Letters Patent No. 49,261, dated August 8, 1865.v

This invention relates to the construction of clamp-buckles; anditconsistsin anew arrangement or combination of parts hy which amore effective self-tightening strap-buckle is obtained than by any of the various constructions now in use.

A buckle embodying the improvement is shown in the drawings, Figure l representing` a plan of the buckle; Fig. 2, a reversed plan of it; Fig. 3, a section showing its application to a strap.

a denotes the frame of the buckle; b, the tongue or clamp which contines the strap. Th is tongue extends lengthwise across, or nearly across, the frame a., and is hinged to a jointpin, o, as seen in the drawings, its front edge, d, resting upon a seat, e, .which is below the plane of the outer surface of the frame a.. The rear side of the tongue or clamp b is cut away, as seen at f, to form hooks g, as seen in Figs. 2 and 3. Holes are cut in one end of the strap, by which it is fastened to these hooks, as seen in Fig. 3.

The frame of the buckle is curved in the direction of the length of the strap, so that the strain of the strap upon the hooks from the points where fastened to them to the edge h draws, or tends to draw, the front edgeof the clamp or tongue b down upon its seat e, thus pinching the strap tightly between said tongue and its seat, as will be readily understood.

The manner ot' constructing or applying the seat e below the upper surface of' the buckleframe, and so that the edge of the tongue projects over it, gives to the strap in the part passed between the seat and buckle-edge a tor i tuous course, as seen in Fig. 3, so that a greater length of surface ofthe strap isimpinged upon,

and the strap is not only pinched between the` I edge ot' the tongue and the seat e, but also between the said edge and the walli.

A space is left between the rear ofthe tongue and the contiguous edge of the frainea for passage of the strap, and for fastening or clamping the end thereof down to the buckle, as seen in Fig. 3. This construction makes a very simple and effective buckle, and one having quite an ornamental appearance when worn.

I claim- The improved clampfbuckle as made with a tongue, having hooks so applied that the strain of the strap upon them clamps the edge of the tongue down upon the stra-p, substantially as l set forth.

In witness whereof I have hereunto set my hand this 18th day of May, A. D. 1865.

' WILLIAM SMITH HALL. Witnesses: v

F. GOULD, W. B. GLEAsoN. 

